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Finding the Fourth Proportional to 8,693,269.60, 13,034,720.40 and 5,329,890.40

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Solution

The fourth proportional to 8,693,269.60, 13,034,720.40 and 5,329,890.40 is: 7,991,657.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693,269.60 : 13,034,720.40 = 5,329,890.40 : x
  2. Step 2: Convert to fraction form
    8,693,269.60/13,034,720.40 = 5,329,890.40/x
  3. Step 3: Cross multiply
    8,693,269.60x = 13,034,720.40 × 5,329,890.40
  4. Step 4: Simplify right side
    8,693,269.60x = 69,473,631,126,644.16
  5. Step 5: Solve for x
    x = 69,473,631,126,644.16/8,693,269.60
  6. Step 6: Final answer
    x = 7,991,657.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.